CIFS: convert to use le32_add_cpu()

Convert cpu_to_le32(le32_to_cpu(E1) + E2) to use le32_add_cpu().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>
Signed-off-by: Steve French <smfrench@gmail.com>

diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 5a49861633a62652461ada755e16b187bd32ea1b..7d56a5ca2abb0bb8bb8c639054bc1bf2714da9f8 100644 (file)
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -939,9 +939,7 @@ add_lease_context(struct kvec *iov, unsigned int *num_iovec, __u8 *oplock)
                req->CreateContextsOffset = cpu_to_le32(
                                sizeof(struct smb2_create_req) - 4 +
                                iov[num - 1].iov_len);
-       req->CreateContextsLength = cpu_to_le32(
-                               le32_to_cpu(req->CreateContextsLength) +
-                               sizeof(struct create_lease));
+       le32_add_cpu(&req->CreateContextsLength, sizeof(struct create_lease));
        inc_rfc1001_len(&req->hdr, sizeof(struct create_lease));
        *num_iovec = num + 1;
        return 0;
@@ -967,9 +965,7 @@ add_durable_context(struct kvec *iov, unsigned int *num_iovec,
                req->CreateContextsOffset =
                        cpu_to_le32(sizeof(struct smb2_create_req) - 4 +
                                                                iov[1].iov_len);
-       req->CreateContextsLength =
-                       cpu_to_le32(le32_to_cpu(req->CreateContextsLength) +
-                                               sizeof(struct create_durable));
+       le32_add_cpu(&req->CreateContextsLength, sizeof(struct create_durable));
        inc_rfc1001_len(&req->hdr, sizeof(struct create_durable));
        *num_iovec = num + 1;
        return 0;